diff --git a/src/layout/horizontal.h b/src/layout/horizontal.h
index ef3c69a..b356a84 100644
--- a/src/layout/horizontal.h
+++ b/src/layout/horizontal.h
@@ -932,6 +932,6 @@ void tgmix(Monitor *m) {
 }
 
 void tab_layout(Monitor *m) {
-	monocle(m)
+	monocle(m);
 }